<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <button onclick="show()">点我,点死我</button>

    <div style="height: 500px; width: 500px; background-color: aqua;" onmousemove="move()" onmouseenter="enter()" onmouseleave="leave()">
    </div>

    <script>
        function show(){
            console.log("你奶奶的,真点呀");
        }
        function move(){
            console.log("继续,别停,好爽,继续");
        }
        function enter(){
            console.log("进来了吗");
        }
        function leave(){
            console.log("都完事了");
            
        }
    </script>
</body>
</html>